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<FONT color="green">001</FONT>    package maze.model;<a name="line.1"></a>
<FONT color="green">002</FONT>    <a name="line.2"></a>
<FONT color="green">003</FONT>    public final class MazeCellPeg implements Comparable&lt;MazeCellPeg&gt;<a name="line.3"></a>
<FONT color="green">004</FONT>    {<a name="line.4"></a>
<FONT color="green">005</FONT>       private final int x;<a name="line.5"></a>
<FONT color="green">006</FONT>       private final int y;<a name="line.6"></a>
<FONT color="green">007</FONT>    <a name="line.7"></a>
<FONT color="green">008</FONT>       public MazeCellPeg(int x, int y)<a name="line.8"></a>
<FONT color="green">009</FONT>       {<a name="line.9"></a>
<FONT color="green">010</FONT>          this.x = x;<a name="line.10"></a>
<FONT color="green">011</FONT>          this.y = y;<a name="line.11"></a>
<FONT color="green">012</FONT>       }<a name="line.12"></a>
<FONT color="green">013</FONT>    <a name="line.13"></a>
<FONT color="green">014</FONT>       /**<a name="line.14"></a>
<FONT color="green">015</FONT>        * Creates a Peg of the North-West Peg of the Cell.<a name="line.15"></a>
<FONT color="green">016</FONT>        * @param cell The Maze Cell to create a Peg from.<a name="line.16"></a>
<FONT color="green">017</FONT>        */<a name="line.17"></a>
<FONT color="green">018</FONT>       public MazeCellPeg(MazeCell cell)<a name="line.18"></a>
<FONT color="green">019</FONT>       {<a name="line.19"></a>
<FONT color="green">020</FONT>          this.x = cell.getX();<a name="line.20"></a>
<FONT color="green">021</FONT>          this.y = cell.getY();<a name="line.21"></a>
<FONT color="green">022</FONT>       }<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>       @Override<a name="line.24"></a>
<FONT color="green">025</FONT>       public int compareTo(MazeCellPeg o)<a name="line.25"></a>
<FONT color="green">026</FONT>       {<a name="line.26"></a>
<FONT color="green">027</FONT>          if (this.x == o.x)<a name="line.27"></a>
<FONT color="green">028</FONT>             return this.y - o.y;<a name="line.28"></a>
<FONT color="green">029</FONT>          else<a name="line.29"></a>
<FONT color="green">030</FONT>             return this.x - o.x;<a name="line.30"></a>
<FONT color="green">031</FONT>       }<a name="line.31"></a>
<FONT color="green">032</FONT>    <a name="line.32"></a>
<FONT color="green">033</FONT>       @Override<a name="line.33"></a>
<FONT color="green">034</FONT>       public boolean equals(Object obj)<a name="line.34"></a>
<FONT color="green">035</FONT>       {<a name="line.35"></a>
<FONT color="green">036</FONT>          if (this == obj)<a name="line.36"></a>
<FONT color="green">037</FONT>             return true;<a name="line.37"></a>
<FONT color="green">038</FONT>          if (obj == null)<a name="line.38"></a>
<FONT color="green">039</FONT>             return false;<a name="line.39"></a>
<FONT color="green">040</FONT>          if (! (obj instanceof MazeCellPeg))<a name="line.40"></a>
<FONT color="green">041</FONT>             return false;<a name="line.41"></a>
<FONT color="green">042</FONT>          MazeCellPeg other = (MazeCellPeg) obj;<a name="line.42"></a>
<FONT color="green">043</FONT>          if (x != other.x)<a name="line.43"></a>
<FONT color="green">044</FONT>             return false;<a name="line.44"></a>
<FONT color="green">045</FONT>          if (y != other.y)<a name="line.45"></a>
<FONT color="green">046</FONT>             return false;<a name="line.46"></a>
<FONT color="green">047</FONT>          return true;<a name="line.47"></a>
<FONT color="green">048</FONT>       }<a name="line.48"></a>
<FONT color="green">049</FONT>    <a name="line.49"></a>
<FONT color="green">050</FONT>       /**<a name="line.50"></a>
<FONT color="green">051</FONT>        * Get the maze cell that this peg belongs to.<a name="line.51"></a>
<FONT color="green">052</FONT>        * @return The maze cell that has this peg as its South-West peg.<a name="line.52"></a>
<FONT color="green">053</FONT>        */<a name="line.53"></a>
<FONT color="green">054</FONT>       public MazeCell getMazeCell()<a name="line.54"></a>
<FONT color="green">055</FONT>       {<a name="line.55"></a>
<FONT color="green">056</FONT>          try<a name="line.56"></a>
<FONT color="green">057</FONT>          {<a name="line.57"></a>
<FONT color="green">058</FONT>             return new MazeCell(this.x, this.y);<a name="line.58"></a>
<FONT color="green">059</FONT>          }<a name="line.59"></a>
<FONT color="green">060</FONT>          catch (IllegalArgumentException e)<a name="line.60"></a>
<FONT color="green">061</FONT>          {<a name="line.61"></a>
<FONT color="green">062</FONT>             return new MazeCell(1, 1);<a name="line.62"></a>
<FONT color="green">063</FONT>          }<a name="line.63"></a>
<FONT color="green">064</FONT>       }<a name="line.64"></a>
<FONT color="green">065</FONT>    <a name="line.65"></a>
<FONT color="green">066</FONT>       public int getX()<a name="line.66"></a>
<FONT color="green">067</FONT>       {<a name="line.67"></a>
<FONT color="green">068</FONT>          return x;<a name="line.68"></a>
<FONT color="green">069</FONT>       }<a name="line.69"></a>
<FONT color="green">070</FONT>    <a name="line.70"></a>
<FONT color="green">071</FONT>       public int getY()<a name="line.71"></a>
<FONT color="green">072</FONT>       {<a name="line.72"></a>
<FONT color="green">073</FONT>          return y;<a name="line.73"></a>
<FONT color="green">074</FONT>       }<a name="line.74"></a>
<FONT color="green">075</FONT>    <a name="line.75"></a>
<FONT color="green">076</FONT>       @Override<a name="line.76"></a>
<FONT color="green">077</FONT>       public int hashCode()<a name="line.77"></a>
<FONT color="green">078</FONT>       {<a name="line.78"></a>
<FONT color="green">079</FONT>          return this.x &amp; (y &lt;&lt; 16);<a name="line.79"></a>
<FONT color="green">080</FONT>       }<a name="line.80"></a>
<FONT color="green">081</FONT>    }<a name="line.81"></a>




























































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